from Peggy Fox (@PeggyTV) via Twitter: Last span of phase I of the Silver Line is set in place in Tysons Corner

TYSONS CORNER, Va. (WUSA) -- Phase One of Metro's Silver Line should start running a little over a year from now. Tuesday, the final piece of the aerial tracks over Tysons Corner was put into place.

Some people call it an eyesore but for many the overhead Silver Line represents the future of this region in regards to transportation, economy and growth. In about a year, it will take commuters through Tysons Corner on the way to downtown Washington.